Rep. Jack Kingston is favored to beat businessman David Perdue in the GOP Senate primary runoff election today in Georgia by a seven-point margin, according to a new poll.

The Wall Street Journal says that the new Landmark Communication poll shows Kingston leading Perdue by 48 percent to 41 percent among likely primary voters.

The winner will face Democrat Michelle Nunn, the daughter of former Sen. Sam Nunn for the seat vacated by the retiring Republican Saxby Chambliss.

The battle between Kingston and Perdue, both conservatives, heated up in the final days of the two-month campaign with the latter claiming in an ad that his rival has been endorsed by supporters of "amnesty" for illegal immigrants, the Journal said.

Perdue was referring to the Chamber of Commerce’s support for Kingston, even though Perdue had twice asked the chamber, which advocates immigration reform, to back him.

"The fact is that Perdue sought the Chamber's endorsement, he didn't receive it, and this is just more sour grapes," the chamber said, according to the Journal. "Jack Kingston is the only candidate who has a demonstrated conservative record and the courage to govern."
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